Potato-slicing machine



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W. H. MCCOLM POTATO SLICING MACHINE Filed August 7. 1925 Patented Nov.23, 1926.

JJITED STA-TES WILLIAM H. MCCOLM, OF DENVER, COLORADO.

Powers-.Smilie MACHINE- App1ication fegl`l Aaigilsty 7, 1925. Serial No.48,806.

An object of this invention is to prvoyide .inproved means for slicingvegetables, particularly potatoes.

ii. turther object or' this invention is: to provide improved mea-ns forslicing and split-ting the slices of vegetables, particularly potatoes.

i further object` ot this invention is to provide' a slice-splittingassembly or"l attachment/adapted to be used selectively in respect of aslicing machine.

further object otY this invention is to provide an improved machine for'preparing potatoes for French-tries.

' A further object otthis invention is to provide an improved machine'for prepar- 'mg potatoes Vtor shoestrings,

My invention consists in the construction, arrangement and combinationot elements hereinafter set forth, pointed out in the claims andillustrated by the accompanying drawing', in which- Figure 1 isV an endelevation of the complete machine, dotted lines indicating the locationot two splitting assemblies. Figure 2 a vertical section on theindicated line i 2 ,of Figure 1. Figure 3 is an edge view a fragment ota disc and parts carried e"eby on an imaginary line 3-3 of F ig- 1,wliicn line is tangent to the disc. Fig- Ll is a section on theindicated Aline 4--1 'fe 1, oit the disc and parts carried y Figure 5 isa. cross-section of ynient ot' the disc and parts carried thereby, onthe indicated line 5 5 ot Fig- Figures 3, il, 5, are drawn to a verymuch enlarged relative to Figand 2.

ln the yconstruction of the machine as rhown the numeral designatesgenerally a supporting 'trame which may be of any bl" size, Jtorni andconstruction. An

shaft 11 is journaled inany suition on the trame 10 and is driven sly inonedirection by anysuita eniet A disc 12 ot any suitable size andrelative thickness is mounted rigidly on lone end of and is driveny bythe shaft Suitable slicing and'splitting devices are mounted on andcarried by the disc 12 as hereinafter described. A tace plate 13 ismounted parallel with and spaced from the outer face ot the disc 12 andis formed with a tapering opening ,at one side of the center of saiddisc and also is formed with a. ramper 'ifi mi its er face opening imwardly through said opening in the plate. ihe disc 12 is formed with aplurality of radial slots, in this instance two in number, iniflicatedby the dotted outlines ot' rectangular torni in Figure 1. One of theradial slots is shown by dotted lines in Figure 3,

and by solid lines inFigures 4 and 5 and is indicated by the numeral 15.A cutting blade 16 is formed with abody portion substantially'cor'responcing'in length with a slot and having richt-angled armsl? onits endsv and ears 18 at'r'ight angles to the extremities of said arms.The arms 17, one ot which is shown in vFigure 5, extend through aslotlg) from the inner tothe outer 'surface thereof and locate the bodyof the lc uttiirg blade 1G`in a plane between the disc 12' andfaceplatev 18. The ears 18 overlap on the inner face of the disc 12 atthe ends of the slot 15 and are spaced from raid face by elements'l),such as washers or serrated wedges, and 'bolts 20, 21 are mountedthrough Vsaid ears, spacing elements and discs and have theirheadscountersunk in the outer tace of the disc. The disc is adapted to berotated clockwise and in relation to such movement the'forward marginsof the bodies of the cutting blades are beveled on the inside as shownin Figure 4C. The long side walls of the slots 15 are beveled inwardlyas shown by full lines in Figurell! and dotted lines in Figure 3. Theexplanation'thus far goes to the slicing machine 'andV in practical usepotatoes are fed to the hopper 14rand project through the opening intheiace plate into the path of travel of the cut-ting blade. In theirtravel,y

the cutting lades successively cut slices 'from the potato and dischargethrough a chute 22 forming A a part of the traine. Friction ont thecutting knives and oravity feeds the potatoes from the hopper throughthe opei'i'ing 'in the tace plate in order that successivemsl'ices maybe cut thereirom.`

A splitting assembly is built up as iollows; a pairot end blocks 23,2li, a plurality of spacing blocks 25, a plurality ot splitting knives26, a'rod 27, a stabilizing rod 28 and bolts 29, are employed. Theassembly'of splitting elen'ient-s .lille the slot 15 trom end to end andis located between the cutting edge yoi! rablade 16and adj aeentyinclined wall of the slot and overlaps part on the inner face of thedisc 12 there being one splitting assemblyprovide' foreach slot.v Eachof die 'tineke 23, 24 is formed with a tongue 31 of less width than theblock and extending obliquely to the body thereof thereby forming ashoulder 32 adapted to abut the end Walls of the slot 15. rlhe spacingblocks are preferably rectangular in form and 01' a Width Correspondingto the Width of the tongues 31 and o1 the length to extend the fulllength ot said tongues and overlap on and extend across tne bodies oltthe blocks 23. 'lhe end blocks 23, 2-1 and the spacing blocks are formedWith registering holes adapted to receive the rod 27, which rod istermed as a bolt and is adapted to clamp the assembly together. rThespacing blocks 25 also are formed with registering hole; on a lineparalleling the rod 27- and the end blocks 23, 24- are formed Withrecesses on their inner faces registering With said holes, said holesand recesses being adapted to receive the stabilizing rod 28 and limitand prevent oscillation of elements on said rods 27, the relation of thestabilizing rod to the holes and recesses being' indicated by dottedlines in Figure 5. It will be observed that the end blocks 23, 24 areright and lett respectively and are placed back toward back as shown inFigure 5, While the spacing blocks are et uniform shape. The splittingknives 2G are formed with longitudinal slots 33 open at one end and onearm Se ot the saine ot less length than the other arm 35, the latter armbeing ,termed With a cutting edge 36 on its outside margi The splittingknives J3 are placed between the end blocks 23, 2/-1 and spacing blocksin sequence throughout the length ot the assembly, and said lrnives maybe so placed and also be removed by longitudinal movement between saidblocks in straddling relation to the rods 27, 28. The outer end portionout the arm ot each splitting blade 2G extends beyond the outer tace o1the disc 12 and across the plane of the cutting edge oit a cutting blade16. After the end blocks, spacing blocks, splitting knives anu rods areassembled and secured in place and in rigid connection by tightening therod 27, the entire splitting assembly is mounted on the dic 12 in properrelation to slot 15 and cntt ng blade 16 and secured in place by the l29, 30 extending through the end blocks i bolts land having their headscountersunk in the outer tace of the disc. lVhen the machine is equippedwith the splitting assemblies' as shown and described and the disc isoperated clockvvie, as for slicing, the outwardlyprojecting endportion-31 of the arms 35 penetrate the potatoes on parallel lines andform arcuate slits therein. rllhe next following slicing bladeintersects the arcuate slits and severs strips trom the potatoes. Theknives may be so spaced in the splitting asieinblies and the cuttingblades 16 be so spaced relative to the disc as to vary the cross-sectionof the strips severed from the potatoes, thus determining the producU inrespect oi shoestrings or French tries. ln like manner the spacing ofthe slicing blades 16 relative to the outer face ot the disc 12, throughthe employment of more o r less, spacing eleg ments 19, will determinethe relative thieliness of a slice removed from the potatoes.

I claim as my invention- 1. A potato slicing machine comprising a faceplate formed with feeding hopp in a disc mounted parallel with saidplate and formed With radial slots having an orbit coincident with saidhopper and a slicing blade mounted on said disc adiacenti each slottherein, each slicing' bla'de being spaced.

'trein the tace ot the disc adjacent saidV plate and Jformed With armsextending through said slots and ears adapted to be adjustably relatedto and secured on said disc. Y

2. In a machine of the character described, a splitting assemblycomprising end blocks, spacing blocks, splitting knives mounted betweenand extending' beyond said blocks, an assei'nbling rod extending throughsaid blocks and knives, a stabilizing rod extend-V ing through someblocks and through said knives and seated in other said blocks, andmeans for mounting said assembly in a rotating element, l

3. ln a machine ot the character deF scribed, a .splitting assemblycomprising end blocks, spacing blocks, splitting knives mounted betweenand extending beyond said blocks. an assenibling rod extending throughsaid blocks and knives, a stabilizing rod extending through soine otsaid blocks Vand through said 1lKnives and seated in other saidblo-chil, said knives being longitudinally sletted and open rat one end,and means ier n'iounting said assembly in rotating elenient.

f' ln a machine ot' the character dea; splitting lnii'e torined `with alongitudinal slot open at one end, one arm said. knife being of greaterlength than termed Twith a cutting the other arm and o. a machine ol thecharacter de scribed, a bloclr 'termed with tongue oblique to andextending beyond the body ot the block, said tongue being of lessthiclzness than the block.

Signed at Denver, in the county of Deir ver and State ot' Colorado, this2nd day ot July, 1925. Y

, l/VILLIAM H. MCCOLM.

